Our API directory now includes 199 email APIs. The newest is the Uptime Robot API. The most popular, in terms of mashups, is the SendGrid API. We list 10 SendGrid mashups. Below you'll find some more stats from the directory, including the entire list of email APIs.
Email newsletter campaigns are often a big part of a company's marketing strategy, and with that comes the costs involved. Sendy is a self-hosted email application that prides itself on being one hundred times cheaper than some other email services. The Sendy API makes this cost effective solution available to developers who may want to integrate the data into other applications.
Do you know if your emails reach your users' inbox? You may see clicks and opens, but were all your emails seen? SparkPost offers this certainty to developers for free or low cost. SparkPost sends 25% of the world's legitimate emails. They make solving email delivery as easy as making an API call.